// Licensed to the Apache Software Foundation (ASF) under one or more
// contributor license agreements.  See the NOTICE file distributed with
// this work for additional information regarding copyright ownership.
// The ASF licenses this file to You under the Apache License, Version 2.0
// (the "License"); you may not use this file except in compliance with
// the License.  You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package e

import (
	"google.golang.org/grpc/codes"
	"google.golang.org/grpc/status"
)

type ResponseError interface {
	Error() string
	Err() error
	Code() codes.Code
	String() string
}

type BaseResponseError struct {
	stat *status.Status
}

func NewBaseResponseError(msg string, code codes.Code) *BaseResponseError {
	return &BaseResponseError{
		stat: status.New(code, msg),
	}
}

func (e *BaseResponseError) Error() string {
	if e == nil {
		return ""
	}

	return e.stat.Message()
}

func (e *BaseResponseError) Err() error {
	if e == nil {
		return status.Error(codes.Unknown, codes.Unknown.String())
	}

	return e.stat.Err()
}

func (e *BaseResponseError) Code() codes.Code {
	if e == nil {
		return codes.Unknown
	}

	return e.stat.Code()
}

func (e *BaseResponseError) String() string {
	if e == nil {
		return ""
	}

	return e.stat.String()
}
